Home / 160,964.68-222,129.58-89,345.32

Finding the Fourth Proportional to 160,964.68, 222,129.58 and 89,345.32

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Solution

The fourth proportional to 160,964.68, 222,129.58 and 89,345.32 is: 123,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,964.68 : 222,129.58 = 89,345.32 : x
  2. Step 2: Convert to fraction form
    160,964.68/222,129.58 = 89,345.32/x
  3. Step 3: Cross multiply
    160,964.68x = 222,129.58 × 89,345.32
  4. Step 4: Simplify right side
    160,964.68x = 19,846,238,406.57
  5. Step 5: Solve for x
    x = 19,846,238,406.57/160,964.68
  6. Step 6: Final answer
    x = 123,295.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.